GeForce GTX 570 and GeForce GTX 645 OEM - video card comparison

GeForce GTX 570

GeForce GTX 645 OEM

Architecture

Fermi (2010−2014)

Kepler (2012−2018)

GPU code name

GF110

GK106

Market segment

Desktop

Desktop

Release date

December 2010

April 2013

Bus support

PCI-E 2.0 x 16

-

Interface

PCIe 2.0 x16

PCIe 3.0 x16

Supplementary power connectors

Two 6-pin

None

SLI options

+

-

Core clock speed

732 MHz

824 MHz

CUDA cores

480

-

Floating-point performance

1,405.4 gflops

949.2 gflops

Manufacturing process technology

40 nm

28 nm

Number of transistors

3,000 million

2,540 million

Pipelines / CUDA cores

480

576

Power consumption (TDP)

219 Watt

65 Watt

Maximum GPU temperature

97 °C

-

Texture fill rate

43.9 billion/sec

39.55

Memory type

GDDR5

GDDR5

Maximum RAM amount

1280 MB

1 GB

Memory bus width

320 Bit

128 Bit

Memory clock speed

1900 MHz (3800 data rate)

4000 MHz

Memory bandwidth

152.0 GB/s

64 GB/s

Display Connectors

Mini HDMITwo Dual Link DVI

1x DVI, 1x HDMI, 1x DisplayPort

Multi monitor support

+

-

HDMI

+

+

Maximum VGA resolution

2048x1536

-

Audio input for HDMI

Internal

-

DirectX

12 (11_0)

12 (11_0)

CUDA

+

3.0

OpenCL

1.1

1.2

OpenGL

4.2

4.6

Shader Model

5.1

5.1

Vulkan

N/A

1.1.126